void
nfsreply_print(netdissect_options *ndo,
const u_char *bp, u_int length,
const u_char *bp2)
{
const struct sunrpc_msg *rp;
char srcid[20], dstid[20]; /*fits 32bit*/
ndo->ndo_protocol = "nfs";
nfserr = 0; /* assume no error */
rp = (const struct sunrpc_msg *)bp;
ND_TCHECK_4(rp->rm_xid);
if (!ndo->ndo_nflag) {
strlcpy(srcid, "nfs", sizeof(srcid));
nd_snprintf(dstid, sizeof(dstid), "%u",
EXTRACT_BE_U_4(rp->rm_xid));
} else {
nd_snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
nd_snprintf(dstid, sizeof(dstid), "%u",
EXTRACT_BE_U_4(rp->rm_xid));
}
print_nfsaddr(ndo, bp2, srcid, dstid);
nfsreply_noaddr_print(ndo, bp, length, bp2);
return;
trunc:
if (!nfserr)
nd_print_trunc(ndo);
}
/*
* Return path to "%SystemRoot%/drivers/etc/<file>" (Win-NT+)
* or to "%Windir%/etc/<file>" (Win-9x/ME)
*/
const char *etc_path (const char *file)
{
BOOL win9x = is_win9x();
const char *env = win9x ? getenv("WinDir") : getenv("SystemRoot");
static char path[MAX_PATH];
if (!env)
return (file);
if (win9x)
nd_snprintf (path, sizeof(path), "%s\\etc\\%s", env, file);
else
nd_snprintf (path, sizeof(path), "%s\\system32\\drivers\\etc\\%s", env, file);
return (path);
}
static char *
stp_print_bridge_id(const u_char *p)
{
static char bridge_id_str[sizeof("pppp.aa:bb:cc:dd:ee:ff")];
nd_snprintf(bridge_id_str, sizeof(bridge_id_str),
"%.2x%.2x.%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",
EXTRACT_U_1(p), EXTRACT_U_1(p + 1), EXTRACT_U_1(p + 2),
EXTRACT_U_1(p + 3), EXTRACT_U_1(p + 4), EXTRACT_U_1(p + 5),
EXTRACT_U_1(p + 6), EXTRACT_U_1(p + 7));
return bridge_id_str;
}
static char *
progstr(uint32_t prog)
{
#if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H)
struct rpcent *rp;
#endif
static char buf[32];
static uint32_t lastprog = 0;
if (lastprog != 0 && prog == lastprog)
return (buf);
#if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H)
rp = getrpcbynumber(prog);
if (rp == NULL)
#endif
(void) nd_snprintf(buf, sizeof(buf), "#%u", prog);
#if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H)
else
strlcpy(buf, rp->r_name, sizeof(buf));
#endif
return (buf);
}
void
sunrpc_print(netdissect_options *ndo, const u_char *bp,
u_int length, const u_char *bp2)
{
const struct sunrpc_msg *rp;
const struct ip *ip;
const struct ip6_hdr *ip6;
uint32_t x;
char srcid[20], dstid[20]; /*fits 32bit*/
rp = (const struct sunrpc_msg *)bp;
if (!ndo->ndo_nflag) {
nd_snprintf(srcid, sizeof(srcid), "0x%x",
EXTRACT_BE_U_4(rp->rm_xid));
strlcpy(dstid, "sunrpc", sizeof(dstid));
} else {
nd_snprintf(srcid, sizeof(srcid), "0x%x",
EXTRACT_BE_U_4(rp->rm_xid));
nd_snprintf(dstid, sizeof(dstid), "0x%x", SUNRPC_PMAPPORT);
}
switch (IP_V((const struct ip *)bp2)) {
case 4:
ip = (const struct ip *)bp2;
ND_PRINT("%s.%s > %s.%s: %u",
ipaddr_string(ndo, ip->ip_src), srcid,
ipaddr_string(ndo, ip->ip_dst), dstid, length);
break;
case 6:
ip6 = (const struct ip6_hdr *)bp2;
ND_PRINT("%s.%s > %s.%s: %u",
ip6addr_string(ndo, ip6->ip6_src), srcid,
ip6addr_string(ndo, ip6->ip6_dst), dstid, length);
break;
default:
ND_PRINT("%s.%s > %s.%s: %u", "?", srcid, "?", dstid, length);
break;
}
ND_PRINT(" %s", tok2str(proc2str, " proc #%u",
EXTRACT_BE_U_4(rp->rm_call.cb_proc)));
x = EXTRACT_BE_U_4(rp->rm_call.cb_rpcvers);
if (x != 2)
ND_PRINT(" [rpcver %u]", x);
switch (EXTRACT_BE_U_4(rp->rm_call.cb_proc)) {
case SUNRPC_PMAPPROC_SET:
case SUNRPC_PMAPPROC_UNSET:
case SUNRPC_PMAPPROC_GETPORT:
case SUNRPC_PMAPPROC_CALLIT:
x = EXTRACT_BE_U_4(rp->rm_call.cb_prog);
if (!ndo->ndo_nflag)
ND_PRINT(" %s", progstr(x));
else
ND_PRINT(" %u", x);
ND_PRINT(".%u", EXTRACT_BE_U_4(rp->rm_call.cb_vers));
break;
}
}
void
Parse_fh(netdissect_options *ndo, const unsigned char *fh, u_int len,
my_fsid *fsidp, uint32_t *inop,
const char **osnamep, /* if non-NULL, return OS name here */
const char **fsnamep, /* if non-NULL, return server fs name here (for VMS) */
int ourself) /* true if file handle was generated on this host */
{
const unsigned char *fhp = fh;
uint32_t temp;
int fhtype = FHT_UNKNOWN;
u_int i;
/*
* Require at least 16 bytes of file handle; it's variable-length
* in NFSv3. "len" is in units of 32-bit words, not bytes.
*/
if (len < 16/4)
fhtype = FHT_UNKNOWN;
else {
if (ourself) {
/* File handle generated on this host, no need for guessing */
#if defined(IRIX40)
fhtype = FHT_IRIX4;
#endif
#if defined(IRIX50)
fhtype = FHT_IRIX5;
#endif
#if defined(IRIX51)
fhtype = FHT_IRIX5;
#endif
#if defined(SUNOS4)
fhtype = FHT_SUNOS4;
#endif
#if defined(SUNOS5)
fhtype = FHT_SUNOS5;
#endif
#if defined(ultrix)
fhtype = FHT_ULTRIX;
#endif
#if defined(__osf__)
fhtype = FHT_DECOSF;
#endif
#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) \
|| defined(__OpenBSD__)
fhtype = FHT_BSD44;
#endif
}
/*
* This is basically a big decision tree
*/
else if ((GET_U_1(fhp) == 0) && (GET_U_1(fhp + 1) == 0)) {
/* bytes[0,1] == (0,0); rules out Ultrix, IRIX5, SUNOS5 */
/* probably rules out HP-UX, AIX unless they allow major=0 */
if ((GET_U_1(fhp + 2) == 0) && (GET_U_1(fhp + 3) == 0)) {
/* bytes[2,3] == (0,0); must be Auspex */
/* XXX or could be Ultrix+MASSBUS "hp" disk? */
fhtype = FHT_AUSPEX;
}
else {
/*
* bytes[2,3] != (0,0); rules out Auspex, could be
* DECOSF, SUNOS4, or IRIX4
*/
if ((GET_U_1(fhp + 4) != 0) && (GET_U_1(fhp + 5) == 0) &&
(GET_U_1(fhp + 8) == 12) && (GET_U_1(fhp + 9) == 0)) {
/* seems to be DECOSF, with minor == 0 */
fhtype = FHT_DECOSF;
}
else {
/* could be SUNOS4 or IRIX4 */
/* XXX the test of fhp[5] == 8 could be wrong */
if ((GET_U_1(fhp + 4) == 0) && (GET_U_1(fhp + 5) == 8) && (GET_U_1(fhp + 6) == 0) &&
(GET_U_1(fhp + 7) == 0)) {
/* looks like a length, not a file system typecode */
fhtype = FHT_IRIX4;
}
else {
/* by elimination */
fhtype = FHT_SUNOS4;
}
}
}
}
else {
/*
* bytes[0,1] != (0,0); rules out Auspex, IRIX4, SUNOS4
* could be IRIX5, DECOSF, UCX, Ultrix, SUNOS5
* could be AIX, HP-UX
*/
if ((GET_U_1(fhp + 2) == 0) && (GET_U_1(fhp + 3) == 0)) {
/*
* bytes[2,3] == (0,0); rules out OSF, probably not UCX
* (unless the exported device name is just one letter!),
* could be Ultrix, IRIX5, AIX, or SUNOS5
* might be HP-UX (depends on their values for minor devs)
*/
if ((GET_U_1(fhp + 6) == 0) && (GET_U_1(fhp + 7) == 0)) {
fhtype = FHT_BSD44;
}
/*XXX we probably only need to test of these two bytes */
else if ((len >= 24/4) && (GET_U_1(fhp + 21) == 0) && (GET_U_1(fhp + 23) == 0)) {
fhtype = FHT_ULTRIX;
}
else {
/* Could be SUNOS5/IRIX5, maybe AIX */
/* XXX no obvious difference between SUNOS5 and IRIX5 */
if (GET_U_1(fhp + 9) == 10)
fhtype = FHT_SUNOS5;
/* XXX what about AIX? */
}
}
else {
/*
* bytes[2,3] != (0,0); rules out Ultrix, could be
* DECOSF, SUNOS5, IRIX5, AIX, HP-UX, or UCX
*/
if ((GET_U_1(fhp + 8) == 12) && (GET_U_1(fhp + 9) == 0)) {
fhtype = FHT_DECOSF;
}
else if ((GET_U_1(fhp + 8) == 0) && (GET_U_1(fhp + 9) == 10)) {
/* could be SUNOS5/IRIX5, AIX, HP-UX */
if ((GET_U_1(fhp + 7) == 0) && (GET_U_1(fhp + 6) == 0) &&
(GET_U_1(fhp + 5) == 0) && (GET_U_1(fhp + 4) == 0)) {
/* XXX is this always true of HP-UX? */
fhtype = FHT_HPUX9;
}
else if (GET_U_1(fhp + 7) == 2) {
/* This would be MNT_NFS on AIX, which is impossible */
fhtype = FHT_SUNOS5; /* or maybe IRIX5 */
}
else {
/*
* XXX Could be SUNOS5/IRIX5 or AIX. I don't
* XXX see any way to disambiguate these, so
* XXX I'm going with the more likely guess.
* XXX Sorry, Big Blue.
*/
fhtype = FHT_SUNOS5; /* or maybe IRIX5 */
}
}
else {
if (is_UCX(ndo, fhp, len)) {
fhtype = FHT_VMSUCX;
}
else {
fhtype = FHT_UNKNOWN;
}
}
}
}
}
/* XXX still needs to handle SUNOS3 */
switch (fhtype) {
case FHT_AUSPEX:
fsidp->Fsid_dev.Minor = GET_U_1(fhp + 7);
fsidp->Fsid_dev.Major = GET_U_1(fhp + 6);
fsidp->fsid_code = 0;
*inop = GET_BE_U_4(fhp + 12);
if (osnamep)
*osnamep = "Auspex";
break;
case FHT_BSD44:
fsidp->Fsid_dev.Minor = GET_U_1(fhp);
fsidp->Fsid_dev.Major = GET_U_1(fhp + 1);
fsidp->fsid_code = 0;
*inop = GET_LE_U_4(fhp + 12);
if (osnamep)
*osnamep = "BSD 4.4";
break;
case FHT_DECOSF:
fsidp->fsid_code = GET_LE_U_4(fhp + 4);
/* XXX could ignore 3 high-order bytes */
temp = GET_LE_U_4(fhp);
fsidp->Fsid_dev.Minor = temp & 0xFFFFF;
fsidp->Fsid_dev.Major = (temp>>20) & 0xFFF;
*inop = GET_LE_U_4(fhp + 12);
if (osnamep)
*osnamep = "OSF";
break;
case FHT_IRIX4:
fsidp->Fsid_dev.Minor = GET_U_1(fhp + 3);
fsidp->Fsid_dev.Major = GET_U_1(fhp + 2);
fsidp->fsid_code = 0;
*inop = GET_BE_U_4(fhp + 8);
if (osnamep)
*osnamep = "IRIX4";
break;
case FHT_IRIX5:
fsidp->Fsid_dev.Minor = GET_BE_U_2(fhp + 2);
fsidp->Fsid_dev.Major = GET_BE_U_2(fhp);
fsidp->fsid_code = GET_BE_U_4(fhp + 4);
*inop = GET_BE_U_4(fhp + 12);
if (osnamep)
*osnamep = "IRIX5";
break;
#ifdef notdef
case FHT_SUNOS3:
/*
* XXX - none of the heuristics above return this.
* Are there any SunOS 3.x systems around to care about?
*/
if (osnamep)
*osnamep = "SUNOS3";
break;
#endif
case FHT_SUNOS4:
fsidp->Fsid_dev.Minor = GET_U_1(fhp + 3);
fsidp->Fsid_dev.Major = GET_U_1(fhp + 2);
fsidp->fsid_code = GET_BE_U_4(fhp + 4);
*inop = GET_BE_U_4(fhp + 12);
if (osnamep)
*osnamep = "SUNOS4";
break;
case FHT_SUNOS5:
temp = GET_BE_U_2(fhp);
fsidp->Fsid_dev.Major = (temp>>2) & 0x3FFF;
temp = GET_BE_U_3(fhp + 1);
fsidp->Fsid_dev.Minor = temp & 0x3FFFF;
fsidp->fsid_code = GET_BE_U_4(fhp + 4);
*inop = GET_BE_U_4(fhp + 12);
if (osnamep)
*osnamep = "SUNOS5";
break;
case FHT_ULTRIX:
fsidp->fsid_code = 0;
fsidp->Fsid_dev.Minor = GET_U_1(fhp);
fsidp->Fsid_dev.Major = GET_U_1(fhp + 1);
temp = GET_LE_U_4(fhp + 4);
*inop = temp;
if (osnamep)
*osnamep = "Ultrix";
break;
case FHT_VMSUCX:
/* No numeric file system ID, so hash on the device-name */
if (sizeof(*fsidp) >= 14) {
if (sizeof(*fsidp) > 14)
memset((char *)fsidp, 0, sizeof(*fsidp));
/* just use the whole thing */
memcpy((char *)fsidp, (const char *)fh, 14);
}
else {
uint32_t tempa[4]; /* at least 16 bytes, maybe more */
memset((char *)tempa, 0, sizeof(tempa));
memcpy((char *)tempa, (const char *)fh, 14); /* ensure alignment */
fsidp->Fsid_dev.Minor = tempa[0] + (tempa[1]<<1);
fsidp->Fsid_dev.Major = tempa[2] + (tempa[3]<<1);
fsidp->fsid_code = 0;
}
/* VMS file ID is: (RVN, FidHi, FidLo) */
*inop = (((uint32_t) GET_U_1(fhp + 26)) << 24) |
(((uint32_t) GET_U_1(fhp + 27)) << 16) |
(GET_LE_U_2(fhp + 22) << 0);
/* Caller must save (and null-terminate?) this value */
if (fsnamep)
*fsnamep = (const char *)(fhp + 1);
if (osnamep)
*osnamep = "VMS";
break;
case FHT_AIX32:
fsidp->Fsid_dev.Minor = GET_BE_U_2(fhp + 2);
fsidp->Fsid_dev.Major = GET_BE_U_2(fhp);
fsidp->fsid_code = GET_BE_U_4(fhp + 4);
*inop = GET_BE_U_4(fhp + 12);
if (osnamep)
*osnamep = "AIX32";
break;
case FHT_HPUX9:
fsidp->Fsid_dev.Major = GET_U_1(fhp);
temp = GET_BE_U_3(fhp + 1);
fsidp->Fsid_dev.Minor = temp;
fsidp->fsid_code = GET_BE_U_4(fhp + 4);
*inop = GET_BE_U_4(fhp + 12);
if (osnamep)
*osnamep = "HPUX9";
break;
case FHT_UNKNOWN:
#ifdef DEBUG
/* XXX debugging */
for (i = 0; i < len*4; i++)
(void)fprintf(stderr, "%x.", GET_U_1(fhp + i));
(void)fprintf(stderr, "\n");
#endif
/* Save the actual handle, so it can be display with -u */
for (i = 0; i < len*4 && i*2 < sizeof(fsidp->Opaque_Handle) - 1; i++)
(void)nd_snprintf(&(fsidp->Opaque_Handle[i*2]), 3, "%.2X",
GET_U_1(fhp + i));
fsidp->Opaque_Handle[i*2] = '\0';
/* XXX for now, give "bogus" values to aid debugging */
fsidp->fsid_code = 0;
fsidp->Fsid_dev.Minor = 257;
fsidp->Fsid_dev.Major = 257;
*inop = 1;
/* display will show this string instead of (257,257) */
if (fsnamep)
*fsnamep = "Unknown";
if (osnamep)
*osnamep = "Unknown";
break;
}
}
